Standardization in the fields of refrigerant compressors for refrigeration, air-conditioning, heat pump and dehumidifying applications as well as other devices, components and equipment that use refrigerant compressors and is not covered by other ISO technical committees, including terminology, methods of testing and rating for performance, sound levels, vibration and with consideration given to operation reliability.

Quick links


Published ISO standard *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 86/SC 4/AHG   Work programmes of refrigerant compressor standards Working group
ISO/TC 86/SC 4/WG 2   Positive displacement refrigerant compressor Working group
ISO/TC 86/SC 4/WG 3   Centrifugal refrigerant compressor Working group
ISO/TC 86/SC 4/WG 4   Revision of ISO 917 Working group


Organizations in liaison (Category A and B)
Acronym Title Category
IIF International Institute of Refrigeration A

Date Month Location TC/SC Note
10 September 2024 He Fei Shi (China) ISO/TC 86/SC 4  

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 86/SC 4 - Secretariat

SAC [China]

Hefei General Machinery Research Institute (GMRI)
888 West Changjiang Road
Hefei 230031 Anhui Province